Deputy Mayor Howard Wolfson attempted to smack down the mayoral candidacy of Democrat Bill de Blasio on Monday night, saying in an interview that he would "undo" much of the progress from the Bloomberg administration.

Wolfson's comments were perhaps the most blistering from the Bloomberg administration on de Blasio.

Bloomberg hasn't yet given his endorsement in the race. He is said to be dissatisfied with the choices, though he reportedly favors City Council Speaker Christine Quinn. The New York Post reported last week that he would be "inclined" to endorse likely Republican candidate Joe Lhota in the general election if de Blasio won the Democratic primary.

Wolfson has made his distaste with a potential de Blasio tenure as mayor clear on Twitter over the past month. Here's a sample:

Give de Blasio credit. His agenda is clear: higher taxes, bigger govt, more biz mandates. A u-turn back to the 70s. http://t.co/Ws1eL3ChFW